CN218248310U

CN218248310U - Weight adjusting type dumbbell

Info

Publication number: CN218248310U
Application number: CN202221720045.2U
Authority: CN
Inventors: 任建
Original assignee: Nantong Renhe Sporting Goods Co ltd
Current assignee: Nantong Renhe Sporting Goods Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2023-01-10
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to the technical field of fitness equipment, and discloses a weight adjusting dumbbell, which comprises a holding rod and a weight balancing piece, wherein the middle part of the surface of the holding rod is provided with a through groove, a negative pressure ball is arranged in the through groove, the upper part and the lower part of the inner wall of the through groove are both connected with a pressing block in a sliding way, four sides of the opposite side surface of the pressing block are both fixed with springs, and the left side and the right side of the through groove in the holding rod are both provided with a cavity; the utility model discloses a lead to the groove, the negative pressure ball, press the briquetting, a spring, the gasbag, the fly leaf, the setting of fixed pin and constant head tank, make this dumbbell need not dumbbell fixed ring on one side to the balancing weight auxiliary fixation, only need the user grab hold the dumbbell pole alright carry out the fixed operation to the balancing weight of its both sides, improved the fixed effect to the balancing weight, avoid the balancing weight landing, effectively improved user's use and experienced, solved the inconvenient problem of fixing to the balancing weight of current weight regulation formula dumbbell.

Description

Weight adjusting type dumbbell

Technical Field

The utility model relates to the technical field of fitness equipment, specifically be a weight regulation formula dumbbell.

Background

Dumbbells are a simple device used for strengthening muscle strength training. The main material of the rubber is cast iron, and some rubber is coated outside; the muscle training device is used for muscle strength training and muscle compound action training. The dumbbell can be held by hands for patients with low muscle strength caused by paralysis, pain, long-term inactivity and the like, and the weight of the dumbbell can be used for performing resistance active exercise and training the muscle strength.

Present weight regulation formula dumbbell is in accomplishing the back to the balancing weight quantity adjustment of its top, in order to prevent the circumstances that the landing appears in the balancing weight on the dumbbell at the exercise in-process, often need the user to fix the solid fixed ring of dumbbell in the side of balancing weight, avoid the balancing weight to slide, because the solid fixed ring of dumbbell volume is less, the condition of losing appears easily, and the solid fixed ring of dumbbell also appears not hard up the condition easily after long-term the use, it is not good enough to the fixed effect of balancing weight, and current dumbbell can't fix the balancing weight again, the follow-up exercise for the user has brought inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weight regulation formula dumbbell, it need not the solid fixed ring of dumbbell and assists fixedly to the balancing weight on one side, only need the user to grab hold the dumbbell pole alright carry out the fixed operation to the balancing weight of its both sides, has improved the fixed effect to the balancing weight, avoids the balancing weight landing, has effectively improved user's use and has experienced.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a weight regulation formula dumbbell, includes holding rod and counter weight piece, logical groove has been seted up at the middle part on holding rod surface, the inside that leads to the groove is provided with the negative pressure ball, the equal sliding connection in the upper and lower side that leads to the inslot wall presses the briquetting, it all is fixed with the spring to press four sides of briquetting looks side surface, the cavity has all been seted up to the inside of holding rod and the left and right sides that is located logical groove, the inside of cavity is provided with the gasbag, the left and right sides of negative pressure ball all communicates there is the connecting pipe, and the other end of connecting pipe runs through to the inside of cavity and is linked together with the gasbag, the equal sliding connection in the upper and lower both sides of cavity has the fly leaf, and fly leaf and gasbag fixed connection, the fixed orifices has been seted up on the surface of holding rod, one side bolt on fly leaf surface has a plurality of fixed pins, the constant head tank has all been seted up to the upper and lower side of counter weight piece inner wall.

Preferably, the left and right sides of both sides all has seted up the guide way around the holding rod, both sides all are fixed with the guide vane around the counter weight inner wall, the guide vane and the inner wall sliding connection of guide way.

Preferably, the number of the fixing holes is a plurality of, the fixing holes are evenly distributed on the left and right sides of the surfaces of the upper side and the lower side of the holding rod, and the fixing pins are connected with the inner walls of the fixing holes and the inner walls of the positioning grooves in a sliding mode.

Preferably, the surface of the holding rod is bolted with two limiting pieces, and the two limiting pieces are symmetrically arranged on the left side and the right side of the surface of the holding rod.

Preferably, the surface of one side of the pressing block is bonded with an anti-slip pad, the anti-slip pad is made of rubber, and anti-slip lines are arranged on the surface of the anti-slip pad.

Preferably, the surface of the counterweight plate is provided with a groove, the grooves are respectively arranged on the surfaces of the left side and the right side of the counterweight plate, and the grooves are arranged in a circular arc shape.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a lead to groove, negative pressure ball, press the briquetting, a spring, the gasbag, the fly leaf, the setting of fixed pin and constant head tank for this dumbbell need not the dumbbell fixed ring on one side to the balancing weight supplementary fixed, only need the user to grab hold the dumbbell pole alright carry out the fixed operation to the balancing weight of its both sides, improved the fixed effect to the balancing weight, avoid the balancing weight landing, effectively improved user's use and experienced, solved the inconvenient problem of fixing to the balancing weight of current weight regulation formula dumbbell.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the grip of the present invention;

FIG. 3 is a cross-sectional view of the grip of the present invention;

fig. 4 is a cross-sectional view of the middle weight plate of the present invention.

In the figure: 1. a holding rod; 2. a weight plate; 3. a through groove; 4. a negative pressure ball; 5. a pressing block; 6. a spring; 7. a cavity; 8. an air bag; 9. a connecting pipe; 10. a movable plate; 11. a fixing hole; 12. a fixing pin; 13. a guide groove; 14. a guide piece; 15. a groove; 16. a limiting sheet; 17. a non-slip mat; 18. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a weight-adjustable dumbbell comprises a holding rod 1 and a weight balance 2, wherein a through groove 3 is formed in the middle of the surface of the holding rod 1, a negative pressure ball 4 is arranged in the through groove 3, pressing blocks 5 are slidably connected to the upper and lower sides of the inner wall of the through groove 3, springs 6 are fixed on four sides of the surface of one side of each pressing block 5 opposite to the corresponding side, cavities 7 are formed in the holding rod 1 and positioned on the left and right sides of the through groove 3, air bags 8 are arranged in the cavities 7, connecting pipes 9 are communicated with the left and right sides of the negative pressure ball 4, and the other end of the connecting pipe 9 penetrates into the cavity 7 and is communicated with the air bag 8, the upper side and the lower side of the cavity 7 are both connected with movable plates 10 in a sliding way, the movable plate 10 is fixedly connected with the airbag 8, the surface of the holding rod 1 is provided with a fixing hole 11, one side of the surface of the movable plate 10 is bolted with a plurality of fixing pins 12, the upper part and the lower part of the inner wall of the counterweight plate 2 are both provided with positioning grooves 18, the number of the fixing holes 11 is a plurality, and they are evenly distributed on the left and right of the upper and lower side surfaces of the holding rod 1, the fixed pins 12 are connected with the inner walls of the fixed holes 11 and the inner walls of the positioning grooves 18 in a sliding way, so that a plurality of weight plates 2 can be conveniently installed, different weights can be adjusted, the utility model adopts the arrangement of the through grooves 3, the negative pressure balls 4, the pressing blocks 5, the springs 6, the air bags 8, the movable plates 10, the fixed pins 12 and the positioning grooves 18, make this dumbbell need not the dumbbell solid fixed ring on one side to the balancing weight supplementary fixed, only need the user to grab hold the dumbbell pole alright carry out the fixed operation to the balancing weight of its both sides, improved the fixed effect to the balancing weight, avoid the balancing weight landing, effectively improved user's use and experienced, solved current weight regulation formula dumbbell inconvenient problem of fixing the balancing weight.

Guide way 13 has all been seted up on the right-hand left side of both sides around the holding rod 1, and both sides all are fixed with guide piece 14 around the 2 inner walls of counter weight piece, and guide piece 14 and the inner wall sliding connection of guide way 13 can lead it when installing counter weight piece 2, make its inner wall surface's constant head tank 18 can be just facing fixed pin 12 to in fixed pin 12 inserted constant head tank 18.

The surface bolt of holding rod 1 is spacing piece 16, and the quantity of spacing piece 16 is two, and they are the symmetry and set up in the left and right sides on holding rod 1 surface, can carry out spacingly to the locating position of counter weight piece 2 to carry out subsequent position fixing operation.

According to the surface bonding of pressing block 5 one side has slipmat 17, and the material of slipmat 17 is rubber, and the surface of slipmat 17 is provided with anti-skidding line, holds after holding pole 1 when the user, can increase and user's palm between the frictional force, avoids holding pole 1 landing.

The surface of the counterweight plate 2 is provided with a groove 15, the grooves 15 are respectively arranged on the surfaces of the left side and the right side of the counterweight plate 2, the grooves 15 are arranged in a circular arc shape, and when the counterweight plates 2 are mutually attached, a user can separate the counterweight plates.

The working principle is as follows: when needing to take exercise, the user is at first according to the weight of self weight lifting at ordinary times, add corresponding counter weight piece 2 to the both sides of holding rod 1, make the counter weight piece 2 of one side closely laminate spacing piece 16, the counter weight piece 2 add at ordinary times the completion after alright with taking exercise, the user opens the palm and holds holding rod 1, make the pressing block 5 along with to the inside removal that leads to groove 3, and extrude spring 6, make negative pressure ball 4 extruded, the inside air of negative pressure ball 4 then removes to the inside of gasbag 8 through connecting pipe 9, gasbag 8 takes place the inflation, promote the fly leaf 10 removal of both sides about promoting, push out fixed pin 12, make fixed pin 12 get into the inside of constant head tank 18, just accomplished the rigidity to counter weight piece 2, avoid counter weight piece 2 to appear the landing, if take exercise after, the user loosens pressing rod 1, spring 6 then pushes back pressing block 5, and the air in gasbag 8 then reenters in the constant head tank 4, fixed pin 12 shifts out from constant head tank 18, stop fixing to counter weight piece 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a weight regulation formula dumbbell, includes holding rod (1) and counter weight piece (2), its characterized in that: the middle part on holding rod (1) surface has been seted up and has been led to groove (3), the inside that leads to groove (3) is provided with negative pressure ball (4), the equal sliding connection in the upper and lower below that leads to groove (3) inner wall has and presses pressure piece (5), press four sides on the lateral surface in opposite directions of pressure piece (5) all to be fixed with spring (6), cavity (7) have all been seted up to the inside of holding rod (1) and the left and right sides that is located logical groove (3), the inside of cavity (7) is provided with gasbag (8), the left and right sides of negative pressure ball (4) all communicates connecting pipe (9), and the other end of connecting pipe (9) runs through to the inside of cavity (7) and is linked together with gasbag (8), the equal sliding connection in the upper and lower both sides of cavity (7) inside has fly leaf (10), and fly leaf (10) and gasbag (8) fixed connection, fixed orifices (11) have been seted up on the surface of holding rod (1), one side bolt on fly leaf (10) surface has been connect has a plurality of fixed pin (12), constant head tank (18) have all been seted up and down to the upper and lower side of counter weight piece (2) inner wall.

2. The weight adjustable dumbbell of claim 1, wherein: guide grooves (13) are formed in the left and right sides of the front side and the rear side of the holding rod (1), guide pieces (14) are fixed to the front side and the rear side of the inner wall of the counterweight plate (2), and the guide pieces (14) are connected with the inner wall of the guide grooves (13) in a sliding mode.

3. The weight adjusted dumbbell of claim 1, wherein: the quantity of fixed orifices (11) is a plurality of, and their evenly distributed is in the left and right sides on holding rod (1) upper and lower both sides surface, fixed pin (12) and the equal sliding connection of the inner wall of fixed orifices (11) and the inner wall of constant head tank (18).

4. The weight adjusted dumbbell of claim 1, wherein: the surface of the holding rod (1) is bolted with two limiting pieces (16), and the two limiting pieces (16) are symmetrically arranged on the left side and the right side of the surface of the holding rod (1).

5. The weight adjusted dumbbell of claim 1, wherein: according to the surface bonding of pressing block (5) one side have slipmat (17), and the material of slipmat (17) is rubber, the surface of slipmat (17) is provided with anti-skidding line.

6. The weight adjusted dumbbell of claim 1, wherein: the surface of the counterweight plate (2) is provided with grooves (15), the grooves (15) are respectively arranged on the surfaces of the left side and the right side of the counterweight plate (2), and the grooves (15) are arranged in a circular arc shape.